Improved pulley-block



UNITED STATES PATENT f OFFICE.

ROBERT P FULLER., OF MACHIAs, MAINE, AssIGNOR fro HENRYIRIOHIvIO'ND,

OF SAN FRANCISCO, CALIFORIIIA.V

` IMPROVED PuLLEY-BLOCK.`

' Spec'zticationn forming part of Letters Patent N0. 47,598, dated May2, 1865.

,To @AZZ whom it ma'y concern:

Be it known that I, ROBERT P. FULLER, ot"

Machias, inthe county of Washington and State of Maine, have invented anew and nseful Improvement in Ships Blocks; and l do hereby declarethatthe 'following is a full, clear, and exact description thereof, whichwill enable others skilled in the art to make 'and use the saine,reference being had to the accompanying drawings, forming part of thisspecification, in whlch- Figure 1 isa-side View of @block constructed'metallicstrap which encompasses the hl0ck,the

strap being fitted in `grooves in the cheeks, so that the outer surfacesof the forlner will be `ii cs hv with the outer surfaces of the latter,and

all arranged as hereinafter set forth.

-A A represent the two cheeks ot'jthe blocks, which may be ot the n'sualform and cnt out in such a manner that the grain'ot the wood will have atransverse position-that is to say, be

` at right'angles with the majordiameterot' thel same and the metalstrap'l, which 'encompasses the block. (See Figui.)

The cheeks A Aare connected at their ends by strips C C, which lleave a;space between the cheeks of sucient capacity to receive the sheave orpulley of the block. p (SeeiFig. 2.)`

VThe metal strap B is composed of two parallel side pieces, a/ a, andtwoend pieces, b b',

'one of which, b, is at the arse ofthe block and the other, b', at theopposite end. The side pieces, a a, a-re let into` grooves made in theexterior o1 the cheeks A Ag; `l'mlthe end`- pieces, b b', project beyondthe endotthe block, the hook D being connected' to b" by'l swei'.

The several lparts of the block areput -together by first inserting the--cheeks A A in the strap B, and then placi11g;and securing,

'the strips Uf() between the ends of the cheeks` By this vmode-ofconstruction a very strong and durable block is obtained, the cheeksbein g'p'i evented from splitting on account of the same having atransverse .positionrrelatively with the side pieces, a a, of the'strap,and all I the parts -bound firtnly together.

I clgum as new and desire to-secure by Letters Patent-.- A

The combination oftheY grooved `'cheeks -A, strips C G, metallic 'stra-paiafb b', and

hook D, all .constructed-andarranged as and. for the purpose hereinspecified.

ROBERT P. ,FULLER "Witnesses:

GYRUs G. FOLSOM, J OIrN BAKER.

